Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the value of (tan60 - 1/3) ?

A) 3-√2 B) (2√2-√3)/2
C) -1/2√3 D) (3√3-1)/3
 
Answer & Explanation Answer: D) (3√3-1)/3

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Q:

If secA + tanA = a, then the value of cosA is

A) a2+12a B) 2aa2+1
C) a2-12a D) 2aa2-1
 
Answer & Explanation Answer: B) 2aa2+1

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Q:

What is the length of diagonal, if area of a rectangle is 168 sq.cm and breadth is 7 cm?

A) 24 cm B) 15 cm
C) 17 cm D) 25 cm
 
Answer & Explanation Answer: D) 25 cm

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Q:

If three successive discounts of 20%, 30% and 40% are given, then what will be the net discount (in percentage)?

A) 80 B) 87.6
C) 90 D) 66.4
 
Answer & Explanation Answer: D) 66.4

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Q:

The LCM of 48 and 54 is

A) 6 x 8 x 9 B) 48 x 54
C) 6 x 2 x 9 D) 6 x 8 x 3
 
Answer & Explanation Answer: A) 6 x 8 x 9

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Filed Under: HCF and LCM
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Q:

If 5x ­- 3 ≥ 3 + x/2 and 4x -­ 2 ≤ 6 + x; then x can take which of the following values?

A) 1 B) 2
C) -1 D) -2
 
Answer & Explanation Answer: B) 2

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Q:

ΔABC is right angled at B. If cotA = 7/24, then what is the value of cosecC ?

A) 7/25 B) 25/7
C) 24/7 D) 7/24
 
Answer & Explanation Answer: B) 25/7

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Q:

Select the odd number from the given alternatives.

A) 15 B) 20
C) 40 D) 60
 
Answer & Explanation Answer: A) 15

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Filed Under: Odd Man Out
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